{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909173010",
    "entityType": "User",
    "nonce": "0x88a8da35e4ee6659c87d25f0096b4d1930931a2cef319d0db284d4cee43a916f",
    "signature": "0x8b2283aa7ea72877092a602dca5b7a75c3f0f3ac69177cd6d1f0ad2191ef7e9f69e3628d829d31a8dd80991e90422a5619f070d3399945f93dae718c0f4276d41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}